Experimental Research on Flexural Performance of the Vertically Tensioned Prestressed Concrete Beams;
横张预应力混凝土梁受弯性能试验研究
For the midspan sag of continuous rigid-frame bridge,scheme of using vertically tensioned prestressed techniques to regulate is proposed according to the features of external prestress on the basis of analysis of its advantages and disadvantages.
针对连续刚构桥跨中下挠病害,在分析常规体外预应力优、缺点的基础上提出了体外横张预应力调控连续刚构桥挠度的新构思,并介绍了其施工要点、流程及优点,推导了其预应力钢束的张拉控制力、预应力损失计算公式。
Transverse distribution of front tension in rolling at different bending force and oil pressure of VC roll is simulated by using field actual measured data.
文章以宝钢 1 5 5 0CAL平整机为例 ,通过理论推导与现场实际相结合 ,建立了一套分析VC轧机板形控制的数学模型 ,并采用现场实测资料 ,模拟出在不同弯辊力和VC辊内部油压的作用下轧制时带材的前张力横向分布情况。
The method on estimating fatigue surplus life of transversely tensioned prestressed concrete in the loading of mutil-leveling changing scope;
多级变幅荷载作用下的横张预应力砼梁疲劳剩余寿命估算
Experimental Research on Flexural Performance of the Vertically Tensioned Prestressed Concrete Beams;
横张预应力混凝土梁受弯性能试验研究
Experimental Study on Shear Behavior of Vertically Tensioned Prestressed Concrete Beams;
横张预应力混凝土梁抗剪性能的试验研究
Application of Continuous Rigid-frame Bridge's Deflection Regulated by External Vertically Tensioned Prestress
体外横张预应力在连续刚构桥后期挠度调控中的应用
Exploration for Controling Deflection of Continuous Rigid Bridge in Service by Using of External Transverse-tension Prestress Method
体外横张预应力调控连续刚构桥后期挠度的探索
Numerical analysis of design parameters of smart prestressed beam with two struts
双撑杆横张智能预应力梁设计参数数值分析
Study of the Equipment for the Lateral Pre-stressing of the Trapezoidal Sleeper
梯形轨枕横向预应力张拉工装设备的研制
The tension sequence of prestressing steel strands for curved box girder bridges
弯箱梁桥横截面上预应力钢束张拉次序研究
Investigation into Permissible Tensional Prestress of Prestressed Carbon Fiber-Reinforced Polymer
预应力CFRP容许张拉预应力值的研究
stretching equipment for prestressing reinforcement
预应力钢筋张拉设备
post-tensioned prestressing concrete beam
后张法预应力混凝土梁
pretensioning prestressed concrete
先张法预应力混凝土
post tension concrete
后张法预应力混凝土
Batch Prestress Loss of Concrete Pipe Pile by Post-Tensioning Method
后张预应力混凝土管桩分批张拉预应力损失
The Study of the Transverse Stress Distribution for the Beam of Prestressed-concrete Cable-stayed Bridges;
预应力混凝土斜拉桥主梁横向应力分布研究
Stretching analysis on 126m beam string girder crossing prestressing lanyard
126m跨张弦桁架预应力拉索张拉分析
Stress distribution and displacement of transpalatal distraction osteogenesis on a three-dimensional finite element model of the craniofacial complex
上颌复合体横向牵张的应力分布和位移的研究
The vertical tendon had to be prestressed twice to ensure effective prestressing.
竖向预应力应两次张拉以保证有效预应力。
Stress Analysis of T-shaped Beam during the Procession of Tensioning Tendons;
张拉预应力筋阶段的T型梁应力分析